Welcome to the preview! Wander through as a visitor, a maker, or a requester - we'd love your thoughts :)
Clean drinking water shouldn't be a subscription. We need a fully open-source household water purifier - documented multi-stage filtration (sediment + activated carbon + UF/UV), a replaceable cartridge system using locally available media, and a simple flow/quality indicator. No proprietary cartridges, no DRM'd filters. Full BOM, CAD, and a maintenance guide so anyone can build, repair, and re-source parts. Target build cost under ₹4,000.
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